It's almost a journey back in time as Balthasar tells his very best friend Vitus, both little Baroque angels, about the life of the greatest musician on Earth and of all time. This composer, Johann Sebastian Bach, not only had twenty children, was the most amazing composer in the largest musical family in the world, and even played before two kings, but he also experienced many adventures in his life. Vitus could never have imagined such an exciting story about a musician who lived three hundred years ago.